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Bug 1405089 - Add nsDisplayTableCellSelection and do not use webrender fallback if there is no selection mode. r=mattwoodrow

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MozReview-Commit-ID: KZWW7dHc8gF
This commit is contained in:
Ethan Lin
2017-10-26 14:36:58 +08:00
parent 3bea5fa90a
commit 81d5f55e2e
1 changed files with 35 additions and 11 deletions
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46
layout/tables/nsTableCellFrame.cpp
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@@ -41,6 +41,40 @@ using namespace mozilla;
using namespace mozilla::gfx;
using namespace mozilla::image;
class nsDisplayTableCellSelection final : public nsDisplayItem {
public:
nsDisplayTableCellSelection(nsDisplayListBuilder* aBuilder, nsIFrame* aFrame)
: nsDisplayItem(aBuilder, aFrame)
{
MOZ_COUNT_CTOR(nsDisplayTableCellSelection);
}
#ifdef NS_BUILD_REFCNT_LOGGING
virtual ~nsDisplayTableCellSelection() {
MOZ_COUNT_DTOR(nsDisplayTableCellSelection);
}
#endif
void Paint(nsDisplayListBuilder* aBuilder, gfxContext* aCtx) override
{
static_cast<nsTableCellFrame*>(mFrame)->DecorateForSelection(aCtx->GetDrawTarget(), ToReferenceFrame());
}
NS_DISPLAY_DECL_NAME("TableCellSelection", TYPE_TABLE_CELL_SELECTION)
bool CreateWebRenderCommands(mozilla::wr::DisplayListBuilder& aBuilder,
mozilla::wr::IpcResourceUpdateQueue& aResources,
const StackingContextHelper& aSc,
mozilla::layers::WebRenderLayerManager* aManager,
nsDisplayListBuilder* aDisplayListBuilder) override
{
RefPtr<nsFrameSelection> frameSelection = mFrame->PresContext()->PresShell()->FrameSelection();
if (frameSelection->GetTableCellSelection()) {
return false;
}
return true;
}
};
nsTableCellFrame::nsTableCellFrame(nsStyleContext* aContext,
nsTableFrame* aTableFrame,
ClassID aID)
@@ -423,14 +457,6 @@ void nsTableCellFrame::InvalidateFrameWithRect(const nsRect& aRect, uint32_t aDi
GetParent()->InvalidateFrameWithRect(aRect + GetPosition(), aDisplayItemKey);
}
static void
PaintTableCellSelection(nsIFrame* aFrame, DrawTarget* aDrawTarget,
const nsRect& aRect, nsPoint aPt)
{
static_cast<nsTableCellFrame*>(aFrame)->DecorateForSelection(aDrawTarget,
aPt);
}
bool
nsTableCellFrame::ShouldPaintBordersAndBackgrounds() const
{
@@ -493,9 +519,7 @@ nsTableCellFrame::BuildDisplayList(nsDisplayListBuilder* aBuilder,
// and display the selection border if we need to
if (IsSelected()) {
aLists.BorderBackground()->AppendNewToTop(new (aBuilder)
nsDisplayGeneric(aBuilder, this, ::PaintTableCellSelection,
"TableCellSelection",
DisplayItemType::TYPE_TABLE_CELL_SELECTION));
nsDisplayTableCellSelection(aBuilder, this));
}
}